| Adrian John Stirrup | Director | 1 Nov 2001 | 17 May 2004 | British | 70 years |
| Alan John Hawkes | Director | 21 Dec 1992 | 18 Feb 1994 | British | 79 years |
| Allan William Diplock | Director | 9 Oct 1991 | 24 Jan 1992 | Australian | 85 years |
| Andrew John Douglas | Director | 18 Feb 1994 | 7 Jul 1995 | British | 75 years |
| Anita Elizabeth Jones | Secretary | 22 Oct 1999 | 1 Oct 2002 | British | - |
| Barbara Anne Mcall | Secretary | 25 Sept 2006 | 6 Apr 2008 | British | - |
| Bernadette Lewis | Secretary | 6 Apr 2008 | 27 May 2021 | British | - |
| Brian Charles Birch | Director | 14 Sept 2005 | 7 Mar 2007 | New Zealand | 68 years |
| Bruce Alastair Stockwell | Director | 23 Apr 2010 | 30 Apr 2012 | New Zealand | 78 years |
| Claudine Elaine O'connor | Secretary | 9 Jun 2003 | 11 Oct 2004 | British | - |
| David Grant Devonport | Director | 12 Jun 1998 | 5 Nov 1999 | British | 65 years |
| David John Richards | Director | 14 Feb 2002 | 14 Sept 2005 | British | 75 years |
| George Henry Galazka | Director | 7 Jul 1995 | 31 Mar 1998 | British | 77 years |
| Glenn Lawrence Lord Barnes | Director | 25 Aug 1995 | 31 Dec 1997 | Australian | 79 years |
| Gordon John Lefevre | Director | 16 Mar 2000 | 1 Nov 2001 | Australia | 66 years |
| Grahame Peter Savage | Director | 31 Oct 1998 | 30 Nov 2002 | British | 79 years |
| Gregory Brian Hadingham | Director | 4 Feb 2013 | 27 Feb 2015 | Australian | 51 years |
| Gregory Derek Elswood | Director | 2 Dec 2011 | 13 Apr 2017 | British | 60 years |
| James Albert Bradley | Director | 6 Jul 1998 | 31 Oct 2001 | American | 74 years |
| James Fergus Copeland | Director | 1 Jul 1994 | 30 May 1997 | British | 75 years |
| James Fergus Copeland | Secretary | 4 Nov 1993 | 30 May 1997 | British | - |
| James Richard Rowe | Director | 14 Sept 2005 | 21 Sept 2006 | British | 63 years |
| John James Gerard Leahy | Director | 9 Oct 1991 | 30 Nov 1993 | Australian | 75 years |
| John James Gerard Leahy | Secretary | 9 Oct 1991 | 4 Nov 1993 | Australian | - |
| John Kelvin Dawson | Director | 9 Mar 1993 | 25 Aug 1995 | Australian | 83 years |
| Keith Jonathan Leung | Secretary | 1 Oct 2002 | 26 Aug 2004 | Australian | - |
| Maxwell James Bray | Director | 24 Jan 1992 | 9 Mar 1993 | Australian | 86 years |
| Maya Luxmi Seebaluck | Secretary | 8 Apr 2022 | 22 May 2024 | - | - |
| Paul Keith Rayner | Director | 23 Apr 2010 | 14 Jul 2011 | British | 62 years |
| Peter Baldi | Director | 15 Apr 2007 | 23 Apr 2010 | Australian | 65 years |
| Philip John Deeks | Director | 7 Mar 2007 | 23 Mar 2010 | British | 58 years |
| Phillip Michael Monks | Secretary | 30 May 1997 | 18 Mar 1999 | British | - |
| Rahni Soliman | Director | 17 Nov 2022 | 1 Mar 2024 | Australian | 47 years |
| Richard Charles Bowden | Director | 9 Oct 1991 | 21 Jun 1999 | British | 84 years |
| Richard Gibson Speak | Secretary | 11 Oct 2004 | 25 Sept 2006 | British | - |
| Richard John Hoskins | Secretary | 24 Mar 1999 | 22 Oct 1999 | British | - |
| Robert Norman Carew Franklin | Secretary | 12 May 2021 | 29 Apr 2022 | - | - |
| Robert Patrick Cameron | Director | 14 Feb 2002 | 31 Oct 2003 | British | 68 years |
| Roland Frank Matrenza | Director | 31 Oct 1991 | 4 Dec 1992 | Australian | 81 years |
| Rolfe Alan Cameron Lakin | Director | 6 Jul 1998 | 5 Nov 1999 | British | 65 years |
| Ross Edward Pinney | Director | 1 Jan 1998 | 31 Oct 1998 | Australian | 78 years |
| Ruzvana Cherry | Director | 4 Feb 2013 | 21 Feb 2014 | British | 46 years |
| Simon Nye | Director | 6 Apr 2017 | 11 Mar 2022 | British | 58 years |
| Stuart Roe Brydon Fletcher | Director | 1 Nov 2001 | 17 May 2004 | Australian | 76 years |